Ultimate Direction Access 600 New ergonomically-shaped FlexForm 600 Bottle for easy drinking and carrying Fast and secure flex-cage for the bottle. iPhone 7 compatible nylon pocket. External stretch mesh pouch. Reflective accents for high visibility. Weight (With Bottle):6.9 oz. / 197g - Weight (Without Bottle): 4.59 oz. / 131g - Total Volume: 37 in3 / 0.5 L Materials: Cool Wick Air Mesh - 100D Baby Ripstop